Patent US4485233A successfully refreshed from Google Patents.
US4485233A
Expired / Lapsed
US
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Poly(ester-amide) hot-melt adhesives
Assignee: Union Camp Corp
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Filing: 1984-02-27
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Granted: 1984-11-27
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Expires: 2004-02-27
Abstract
Abstract There is disclosed a group of poly(ester-amide) compositions which possess good adhesive properties with respect to vinyl based substrates. They also possess long open assembly times. These poly(ester-amide) compositions are the reaction product of a polymeric fatty acid, with an organic diamine, dicarboxylic acid and a diol.
Inventors
- 👤 Richard L. Veazey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:52
CPC Classifications
C; C09; C09J; C09J177/00; C09J177/12; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/34
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
65 words
A poly(ester-amide) adhesive composition which comprises: the product of the random polymerization of (a) from 10 to 60 equivalent percent of a polymeric fatty acid and (b) from 40 to 90 equivalent percent of a dicarboxylic acid; with a substantially equivalent amount of (c) from 40 to 90 equivalent percent of an organic diamine and (d) from 10 to 60 equivalent percent of a diol.
Claim 2
Dependent Claim
65 words
A poly(ester-amide) adhesive composition which comprises: the product of the random polymerization of (a) from 10 to 60 equivalent percent of a polymeric fatty acid and (b) from 40 to 90 equivalent percent of a dicarboxylic acid; with a substantially equivalent amount of (c) from 40 to 90 equivalent percent of an organic diamine and (d) from 10 to 60 equivalent percent of a diol.
Claim 3
Dependent Claim
21 words
The composition of claim 1 wherein the dicarboxylic acid is a straight chain aliphatic diacid having at least 6 carbon atoms.
Claim 4
Dependent Claim
15 words
The composition of claim 2 wherein the diacid has from 6 to 12 carbon atoms.
Claim 5
Dependent Claim
19 words
The composition of claim 3 wherein the diacid is selected from the group consisting of azelaic and sebacic acids.
Claim 6
Dependent Claim
23 words
The composition of claim 1 wherein the organic diamine is a straight chain aliphatic primary diamine with an odd number of carbon atoms.
Claim 7
Dependent Claim
10 words
The composition of claim 1 wherein the diamine is 1,3-diaminopropane.
Claim 8
Dependent Claim
14 words
The composition of claim 1 wherein the organic diamine is an aliphatic secondary diamine.
Claim 9
Dependent Claim
10 words
The composition of claim 1 wherein the diamine is piperazine.
Claim 10
Dependent Claim
11 words
The composition of claim 1 wherein the diol is ethylene glycol.
Claim 11
Dependent Claim
10 words
The composition of claim 1 wherein the diol is 1,4-bis(hydroxymethyl)cyclohexane.
Claim 12
Dependent Claim
11 words
The composition of claim 1 wherein the diol is 1,6-hexamethylene diol.
Claim 13
Dependent Claim
22 words
The composition of claim 1 wherein a second diamine is employed to vary open assembly times from 2220 seconds to 20 seconds.
Claim 14
Dependent Claim
12 words
The composition of claim 12 wherein the second diamine is ethylene diamine.
Claim 15
Dependent Claim
13 words
The composition of claim 12 wherein the second diamine is a cycloaliphatic diamine.
Claim 16
Dependent Claim
11 words
The composition of claim 12 wherein the second diamine is 4,4'-methylenebis(cyclohexylamine).
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-11-27 | 1988-05-28 | 1988-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-27 | 1992-05-28 | 1992-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-27 | 1996-05-28 | 1996-11-27 | $7700.00 | Window Closed / Lapsed |